Ashwagandha is sometimes called
Indian ginseng
, not because it's related botanically (it's closer to potatoes and tomatoes), but because its traditional uses were similar. Like ginseng, ashwagandha was thought to be a "tonic herb" capable of generally strengthening the body. On this basis it has been used in hopes of prolonging life, improving overall health, enhancing mental function, increasing fertility and libido, augmenting physical energy, and preventing infections.

In addition, as its species name
somniferum
suggests, ashwagandha been used traditionally for inducing sleep.

What Is Ashwagandha Used for Today?

Modern herbalists classify ashwagandha as an adaptogen, a substance said to increase the body's ability to withstand
stress
of all types. (See the article on
Ginseng
for more information on adaptogens.) However, the evidence for an adaptogenic effect is limited to test tube and animal studies.
3,4,6,7,9-13

A typical traditional dosage of ashwagandha is 1 to 2 g of the root (boiled in milk or water for 15-20 minutes) taken 3 times daily.

Safety Issues

Ashwagandha is believed to be safe; however, formal safety studies have not been reported. Therefore, it should not be used by pregnant or nursing women, young children, or those with severe kidney or liver disease.

According to one study in animals, ashwaghanda may raise thyroid hormone levels.
5
For this reason, it should not be used by people with
hyperthyroidism
.
In addition, based on traditional beliefs that ashwagandha has sedative effects, interactions with sedative drugs are a potential concern.

Interactions You Should Know About

If you are taking
sedative drugs
, you should not take ashwagandha at the same time except under your doctor's supervision.

Please be aware that this information is provided to supplement the care
provided by your physician. It is neither intended nor implied to be a
substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER
IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the
advice of your physician or other qualified health provider prior to
starting any new treatment or with any questions you may have regarding a
medical condition.